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In each eye,there is one blind spot or two?

Carbon dioxide combines with haemoglobin to form____________.

Water evaporates through tiny openings present in the leaves known as ___

Select the correct statements for the process of budding in yeast:

I. A bud arises from a particular region on a parent body.

II. A parent cell divides into two daughter cells, here the parental identity is lost.

III. Before detaching from the parent body a bud may form another bud.

IV. A bud when detaches from the parent body grows into a new individual

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Please help me with the following

In case of osmosis if the concentration of the surrounding solution is the same as that inside the cell, in which direction will the net movement of water molecules be across the cell membrane?

The deoxygenated blood is pushed into lungs for oxygenation from the

All the following are organelles of the cell except:

(a) Draw a labelled diagram of the human digestive system. With the help of this diagram, describe the process of digestion of food in man (humans).
(b) Describe one way in which the small intestine is adapted for the absorption of digested food.
(c) What is the special name of the contraction and expansion movement which pushes the food further in our digestive tract (or alimentary canal)?

Insitu soils are

In a population of individuals living in a forest, few individuals developed sickle shaped RBCs in their blood.During a severe malarial attack these individuals with sickle shaped RBCs survived and were not infected with the disease. This can be an example for …………………… which has given that small group ……………………….. over others.

Match List I and List II, and select the correct answer.

Cretinism is caused due to the deficiency of :

What is the difference in plastids and chromatophores?

What is the general name of chemical substances which bring about control and coordination in plants?

The growth of a pollen tube towards the ovule caused by a sugary substance as a stimulus in an example of :

(a) phototropism

(b) chlorotropism

(c) gravitropism

(d) chemotropism

Match the following layers of the cell wall with their components:

Column I (Layer) Column II (Component)

i). Cellulose a. Middle lamella

ii). Pectin b. Secondary cell wall

iii). Lignin c. Primary cell wall

Tobacco, cigarette, gutkha, alcoholic drinks are drugs of

Difference between monocot and dicot root is in

Destruction of thymus in children may lead to

What is funeral of unfertilised egg?

Fermentation of the by-product of which of the following crops results in the production of a smokeless fuel ethanol?

Regarding the assertion and reason; choose the correct option.

Assertion (A): When the disorder Jaundice sets in, the skin and the mucous membranes assume a yellowish color.

Reason (R): The pigment, Bilirubin, imparts the yellow color to the blood

Which kind of therapy was given in 1990 to a four year old girl with adenosine deaminase deficiency

Animals which we see around us with differences in them are the result of ___________.

The simplest way to distinguish a prokaryotic cell from a eukaryotic cell is to check for :

Transpiration happens in daytime. How do you think plants conduct water in night?

Regarding the Assertion and Reason, choose the correct option:

Assertion [A] : Sympathetic and parasympathetic systems have opposing functions.

Reason [R] : The parasympathetic nervous system ‘prepares you’ for action, while the sympathetic system ‘calms you’ down after action.

Question 2 (d)
Differentiate between Flora and fauna.

One of the following reproduces by forming spores. Which is it?
(a) Fern
(b) Planaria
(c) Spirogyra
(d) Potato

List any three ways in which we can increase the water supply without scarcity.

Somatic hybridisation is most useful in case of

A full grown sunflower plant is estimated to lose about ______ of water per day in the form of water vapour.

Which specific cell gets affected by HIV in human immune system?

What are the limitations of electric impulses?

What are the different ways in which diseases are transmitted from an infected person to a healthy person?

Which of the following is a bile pigment?

What is proteolytic enzyme ?

Which of the following sets of chromosomes represent female chromosomes?

Conservation of living resources involves

State the functions of the following :

(a) Synapse

(b) Association neuron

(c) Medullary sheath

(d) Medulla oblongata

(e) Cerebellum

(f) Cerebrospinal fluid.

Placenta

Birth rate is the number of live births per thousand people of population in_________.

Semen is a mixture of

Question 48
Mention one function for each of these hormones.

(a) Thyroxin
(b) Insulin
(c) Adrenaline
(d) Growth hormone
(e) Testosterone

In which component of blood are heparin, thromboplastin, thrombin are present?

Give account of reaction of the photosynthesis reaction ?

Write down five inherited characters in Human beings.